Ticket/InsdepUI/expand/datagrid-dnd/datagrid-dnd.js

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(function($){
	$.extend($.fn.datagrid.defaults, {
		dropAccept: 'tr.datagrid-row',
		dragSelection: false,
		onBeforeDrag: function(row){},	// return false to deny drag
		onStartDrag: function(row){},
		onStopDrag: function(row){},
		onDragEnter: function(targetRow, sourceRow){},	// return false to deny drop
		onDragOver: function(targetRow, sourceRow){},	// return false to deny drop
		onDragLeave: function(targetRow, sourceRow){},
		onBeforeDrop: function(targetRow, sourceRow, point){},
		onDrop: function(targetRow, sourceRow, point){},	// point:'append','top','bottom'
	});
	$.extend($.fn.datagrid.methods, {
		_appendRows: function(jq, row){
			return jq.each(function(){
				var dg = $(this);
				var rows = $.isArray(row) ? row : [row];
				$.map(rows, function(row){
					dg.datagrid('appendRow', row).datagrid('enableDnd', dg.datagrid('getRows').length-1);
				});
			});
		},
		_insertRows: function(jq, param){
			return jq.each(function(){
				var dg = $(this);
				var index = param.index;
				var row = param.row;
				var rows = $.isArray(row) ? row : [row];
				$.map(rows, function(row, i){
					dg.datagrid('insertRow', {
						index: (index+i),
						row: row
					}).datagrid('enableDnd', index+i);
				});
			});
		},
		_getRowIndexs: function(jq, row){
			var dg = jq;
			var rows = $.isArray(row) ? row : [row];
			var indexs = $.map(rows, function(row){
				return dg.datagrid('getRowIndex', row);
			});
			return $.grep(indexs, function(index){
				if (index >= 0){return true;}
			});
		},
		_deleteRows: function(jq, indexs){
			return jq.each(function(){
				// sort desc
				indexs.sort(function(x,y){
					if (parseInt(x)>parseInt(y)){
						return -1;
					} else {
						return 1;
					}
				});
				for(var i=0; i<indexs.length; i++){
					$(this).datagrid('deleteRow', indexs[i]);
				}